Just beyond the Gilded Age, in the mist-covered streets of New York, the deadly Spanish influenza ripples through the city. But with so many victims in her close circle, young socialite Allene questions if the flu is really to blame. All appear to have been poisoned - and every death was accompanied by a mysterious note.

In 1692, Bridget Bishop was hanged as a witch. Two hundred years later, her legacy lives on in the scions of two very different lines: one dedicated to using their powers to heal and help women in need; the other, determined to grasp power for themselves by whatever means necessary. This clash will play out in the fate of Annis, a young woman in Gilded Age New York who finds herself a pawn in the family struggle for supremacy. She'll need to claim her own power to save herself - and resist succumbing to the darkness that threatens to overcome them all.

Annaleigh lives a sheltered life at Highmoor with her sisters and their father and stepmother. Once there were 12, but loneliness fills the grand halls now that four of the girls' lives have been cut short. Disturbed by a series of ghostly visions, Annaleigh becomes increasingly suspicious that her sister's deaths were no accidents. The girls have been sneaking out every night to attend glittering balls, dancing until dawn in silk gowns and shimmering slippers, and Annaleigh isn't sure whether to try to stop them or to join their forbidden trysts.

After Grand-mere Ursule gives her life to save her family, their magic seems to die with her. Even so, the Orchires fight to keep the old ways alive, practicing half-remembered spells and arcane rites in hopes of a revival. And when their youngest daughter comes of age, magic flows anew. The lineage continues, though new generations struggle not only to master their power, but also to keep it hidden. But when World War II looms on the horizon, magic is needed more urgently than ever.

For centuries, the vineyards at Château Renard have depended on the talent of their vine witches, whose spells help create the world-renowned wine of the Chanceaux Valley. Then the skill of divining harvests fell into ruin when sorcière Elena Boureanu was blindsided by a curse. Now, after breaking the spell that confined her to the shallows of a marshland and weakened her magic, Elena is struggling to return to her former life. And the vineyard she was destined to inherit is now in the possession of a handsome stranger.